linux-kernel - [PATCH 0/2 v3] tracing/histogram: Add buckets to group data in

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Date:   Wed, 07 Jul 2021 17:36:23 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tom Zanussi <zanussi@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: [PATCH 0/2 v3] tracing/histogram: Add buckets to group data in

Add a .buckets modifier to group the data instead of having every key saved
in its own entry, and in a linear fashion instead of like the log2 modifier.

Changes since v2:

 - Rename "grouping" field in hist_field to "buckets"
 - Updated documentation to describe the new modifier


Steven Rostedt (VMware) (2):
      tracing: Add linear buckets to histogram logic
      tracing/histogram: Update the documentation for the buckets modifier

----
 Documentation/trace/histogram.rst | 92 ++++++++++++++++++++++++++++++++++++---
 kernel/trace/trace.c              |  1 +
 kernel/trace/trace_events_hist.c  | 65 ++++++++++++++++++++++++---
 3 files changed, 145 insertions(+), 13 deletions(-)